Installed the latest boinc on a Linux box, 2.6 kernel, which has two CPU's and yet somewhere, when running the client, it is being limited to using only one CPU. My preferences in the Seti account shows that any computer can use up to 4 CPU's. I have another Linux computer and it is using 4 CPU's. Can't seem to find a local file restricting the use to only one processor.

Thank you for your response. I have it set to use 100% of the processors. What is interesting is one computer is using all 4 processors while the other, using the identical preferences, is only using 1 CPU.

For BOINC 6, it's called On multiprocessors, use at most xxx% of the processors, both in the web preferences and in the local advanced preferences (BOINC Manager->Advanced view->Advanced->Preferences->Processor usage) Jord

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There should be one option to set percentage of processors and one to set percentage of processing (CPU) time. I can't tell the exact wording, because I'm still running BOINC 5.10.45, but both should be at 100%.

Do you have a cc_config.xml file in your BOINC data directory (where the client_config.xml resides)? If so, check the <ncpus> option.